APA (7th ed.) Citation

Helder, H. (2015). Poemas canhotos. Porto Editora.

Chicago Style (17th ed.) Citation

Helder, Herberto. Poemas Canhotos. Porto Editora, 2015.

MLA (8th ed.) Citation

Helder, Herberto. Poemas Canhotos. Porto Editora, 2015.

Warning: These citations may not always be 100% accurate.